22120222121211 has 8 divisors (see below), whose sum is σ = 29977131618064. Its totient is φ = 14505063685920.

The previous prime is 22120222121183. The next prime is 22120222121303. The reversal of 22120222121211 is 11212122202122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22120222121211 - 2¹⁸ = 22120221859067 is a prime.

It is a super-2 number, since 2×22120222121211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120222521211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60437765176 + ... + 60437765541.

It is an arithmetic number, because the mean of its divisors is an integer number (3747141452258).

Almost surely, 2^{22120222121211} is an apocalyptic number.

22120222121211 is a deficient number, since it is larger than the sum of its proper divisors (7856909496853).

22120222121211 is a wasteful number, since it uses less digits than its factorization.

22120222121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120875530781.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22120222121211 its reverse (11212122202122), we get a palindrome (33332344323333).

The spelling of 22120222121211 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred eleven".